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- Quantus 2021 Limited
Company profile · Property developers
Quantus 2021 Limited
Quantus 2021 Limited is a 5-year-old private limited company registered in Harrow, company number 13631404, one of 679 property development companies in Harrow. Its next accounts are due at Companies House on 26 June 2027, and the CT600 for the period to 26 September 2026 is due at HMRC on 26 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Quantus 2021 Limited over the years
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £71K on the year before, to £66K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £196K against £139K owed within a year: 1.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £66K | £196K | £139K | 1 | |
| 30 Sep 2024 | -£4,570 | £146K | £160K | 1 | |
| 30 Sep 2023 | -£4,452 | £133K | £175K | 1 | |
| 30 Sep 2022 | -£2,399 | £50 | £41K | 1 |
Where Quantus 2021 Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1BQ on a map.
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What happens if Quantus 2021 Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 26 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Jun 2027 to 26 Jul 2027 | £150 |
| 1 to 3 months late | 27 Jul 2027 to 26 Sep 2027 | £375 |
| 3 to 6 months late | 27 Sep 2027 to 26 Dec 2027 | £750 |
| More than 6 months late | From 27 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Sep 2027 | £200 |
| 3 months late | 26 Dec 2027 | another £200 |
| 6 months late | 26 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 Sep 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 13631404
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 September 2021 (5 years ago)
- Registered office
- 3RD Floor, Scottish Provident House 76-80 College Road, Ha9 8FG, Harrow, Middlesex, HA1 1BQ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 26 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 19 September 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Harrow
Other active property development companies registered in Harrow.
- R & R Global Trading Properties Limited2023
- R&D Development (London) Limited2022
- R&E UK Trading Ltd2025
- R&NB Construction Group Ltd Limited2021
- R.C. Tait Properties Limited1985
- R2V Design & Build Ltd2014
- Rainsford Limited2011
- Ranex Building Contractors Ltd.2014
All property development companies in Harrow · All trades in Harrow · Property developers across the UK
Frequently asked questions
When are Quantus 2021 Limited's accounts due?
Quantus 2021 Limited's next accounts are due at Companies House by 26 June 2027 (in 257 days), covering the period to 26 September 2026.
When is Quantus 2021 Limited's CT600 due?
The CT600 for the period to 26 September 2026 is due at HMRC by 26 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 27 June 2027.
Is Quantus 2021 Limited still trading?
Quantus 2021 Limited is listed as active on the Companies House register (checked 12 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Quantus 2021 Limited do?
Quantus 2021 Limited is registered under Development of building projects (SIC 41100).
How old is Quantus 2021 Limited?
Quantus 2021 Limited was incorporated on 20 September 2021, 5 years ago.
What is the penalty if Quantus 2021 Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Quantus 2021 Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.